Note 4 - Discontinued Operations (Details) - Components of Discontinued Operations (USD $)	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Components of Discontinued Operations [Abstract]
Net revenue	$ 391,237,000	$ 430,795,000	$ 473,047,000
Cost of revenue	359,554,000	388,501,000	429,678,000
Total operating expenses	50,353,000	36,032,000	57,119,000
Pre-tax income (loss) from discontinued operations	(18,670,000)	6,262,000	(13,750,000)
Income tax benefit (expense)	(27,000)	(137,000)	552,000
Income (loss) from discontinued operations, net of tax	$ (18,697,000)	$ 6,125,000	$ (13,198,000)